rhadamanthys | 6c4028b4b5e8f71dc6bc723555067a597705290a7fee617cfb215ae642741d7e

General

Target

Setup.exe
Size

62.8MB
MD5

ff52e7b7b467b809e1a1f9dabbdbc932
SHA1

7ea421f32351d3e23a83140870ef0e544657bf08
SHA256

6c4028b4b5e8f71dc6bc723555067a597705290a7fee617cfb215ae642741d7e
SHA512

372f41006ad989735a8ae2b93d376b27f4f4986f8cc1a131ab3ff932a1fd47395bc1c1c4129524fb343f8afb752f3dd386c76a8cf6d79597469ffe2cdaaac797
SSDEEP

1572864:2WhYWhYWhYWhYWhYWhYWhYWhYWhYWhYWhYWh:2WhYWhYWhYWhYWhYWhYWhYWhYWhYWhYM

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://185.184.26.10:4928/e4eb12414c95175ccfd/TestDomain

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

winhlp32.exe

description pid process target process

PID 3468 created 2844 3468 winhlp32.exe sihost.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

1 bitbucket.org
2 bitbucket.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 232 set thread context of 3468 232 Setup.exe winhlp32.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

740 3468 WerFault.exe winhlp32.exe
1968 3468 WerFault.exe winhlp32.exe

description	pid	process	target process
PID 3468 created 2844	3468	winhlp32.exe	sihost.exe

flow	ioc
1	bitbucket.org
2	bitbucket.org

description	pid	process	target process
PID 232 set thread context of 3468	232	Setup.exe	winhlp32.exe

pid	pid_target	process	target process
740	3468	WerFault.exe	winhlp32.exe
1968	3468	WerFault.exe	winhlp32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Setup.exewinhlp32.exeopenwith.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winhlp32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

winhlp32.exeopenwith.exe

pid process

3468 winhlp32.exe
3468 winhlp32.exe
2972 openwith.exe
2972 openwith.exe
2972 openwith.exe
2972 openwith.exe

pid	process
3468	winhlp32.exe
3468	winhlp32.exe
2972	openwith.exe
2972	openwith.exe
2972	openwith.exe
2972	openwith.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Setup.exewinhlp32.exe

description	pid	process	target process
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 232 wrote to memory of 3468	232	Setup.exe	winhlp32.exe
PID 3468 wrote to memory of 2972	3468	winhlp32.exe	openwith.exe
PID 3468 wrote to memory of 2972	3468	winhlp32.exe	openwith.exe
PID 3468 wrote to memory of 2972	3468	winhlp32.exe	openwith.exe
PID 3468 wrote to memory of 2972	3468	winhlp32.exe	openwith.exe
PID 3468 wrote to memory of 2972	3468	winhlp32.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2844
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2972

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\winhlp32.exe
  "C:\Windows\winhlp32.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 460
    3⤵
    - Program crash
    PID:740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 456
    3⤵
    - Program crash
    PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3468 -ip 3468
1⤵
PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3468 -ip 3468
1⤵
PID:3840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

memory/2972-22-0x00000000022C0000-0x00000000026C0000-memory.dmp

Filesize
4.0MB

Download
memory/2972-20-0x0000000000190000-0x0000000000199000-memory.dmp

Filesize
36KB

Download
memory/2972-23-0x00007FFEAC000000-0x00007FFEAC209000-memory.dmp

Filesize
2.0MB

Download
memory/2972-25-0x0000000075610000-0x0000000075862000-memory.dmp

Filesize
2.3MB

Download
memory/3468-26-0x0000000004000000-0x0000000004400000-memory.dmp

Filesize
4.0MB

Download
memory/3468-14-0x0000000004000000-0x0000000004400000-memory.dmp

Filesize
4.0MB

Download
memory/3468-8-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3468-9-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3468-11-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3468-10-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3468-19-0x0000000075610000-0x0000000075862000-memory.dmp

Filesize
2.3MB

Download
memory/3468-18-0x00007FFEAC001000-0x00007FFEAC12A000-memory.dmp

Filesize
1.2MB

Download
memory/3468-16-0x0000000004000000-0x0000000004400000-memory.dmp

Filesize
4.0MB

Download
memory/3468-15-0x00007FFEAC000000-0x00007FFEAC209000-memory.dmp

Filesize
2.0MB

Download
memory/3468-13-0x0000000004000000-0x0000000004400000-memory.dmp

Filesize
4.0MB

Download
memory/3468-12-0x0000000004000000-0x0000000004400000-memory.dmp

Filesize
4.0MB

Download

Analysis

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